# SDR FDEA202603210362

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2026
- Submitted: March 23, 2026
- Operation: Air carrier
- Aircraft: [N658FE](https://openairdocs.org/aircraft/N658FE), registered now
- Make and model: Airbus A300 F4-605R
- Registry model: [Airbus A300 F4-605R](https://openairdocs.org/model/airbus-industrie-a300-f4-605r) (OpenAirDocs)
- Aircraft serial: 752
- Aircraft time: 39,663 hours, 22,296 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Battery
- Part number: 321431
- Condition: Failed
- Location: Zone 800
- Stage of operation: IN
- How discovered: O
- Nature of condition: P
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202603210362

## Discrepancy

BOTH L1 & R1 DOOR SLIDE WARNING LIGHTS INOP.  BUZZERS WORK NORMALLY.    MEL  20MAR26 19:20   PDX  RELEASED FOR SERVICE PER MEL : 52-73-01-01  CATEGORY : C EXPIRATION : 30MAR26  "MEL 52-73-01-01: L1 AND R1  CREW ENTRY DOOR ESCAPE  SLIDE WARNING SYSTEM LIGHTS - INOP."  REMOVED AND REPLACED AUTONOMOUS STANDBY POWER SUPPLY UNIT BATTERIES.  OPS   CHECKS GOOD FOR BOTH DOORS.

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